Instrument for tattooing



FIG. 1 is a perspective view of an instrument for tattooing showing our new design, the broken line showing of the cord portion being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for an instrument for tattooing, substantially as shown and described. 